"." + mrTaskId + CheckpointingUtils.CHECKPOINT_METADATA_POSTFIX));
long partitions = metadataStream.readInt();
WorkerInfo worker = workersMap.get(mrTaskId);
for (long p = 0; p < partitions; ++p) {
int partitionId = metadataStream.readInt();
PartitionOwner partitionOwner = new BasicPartitionOwner(partitionId,
worker);
partitionOwners.add(partitionOwner);
LOG.info("prepareCheckpointRestart partitionId=" + partitionId +
" assigned to " + partitionOwner);
}